公开(公告)号：US20240191433A1

公开(公告)日：2024-06-13

申请号：US18286192

申请日：2022-04-13

申请人： Billerud Aktiebolag (publ)

发明人： Olivia Markbo ,  Mats Alden ,  Ulf Nyman ,  Fredrik Nordstrom

IPC分类号： D21H17/36 ,  B65D65/40 ,  B65D65/42 ,  D21H11/04 ,  D21H19/12 ,  D21H23/52 ,  D21H23/72 ,  D21H27/10

CPC分类号： D21H17/36 ,  B65D65/40 ,  B65D65/42 ,  D21H11/04 ,  D21H19/12 ,  D21H23/52 ,  D21H23/72 ,  D21H27/10 ,  B65D2565/382 ,  B65D2565/387

摘要： There is provided a high-density paper having a grammage measured according to ISO 536:2012 of 30-75 g/m2 and a density measured according to ISO 534:2011 above 1000 kg/m3 and wherein the high-density paper is impregnated on each side with 0.3-4.0 g/m2, such as 0.5-3.0 g/m2, of a polymer selected from the group consisting of polyvinyl alcohol (PVOH), ethylene vinyl alcohol (EVOH), carboxymethylated cellulose (CMC), nanocrystalline cellulose (NCC) and carboxy methyl starch (CMS).

公开(公告)号：US20240279874A1

公开(公告)日：2024-08-22

申请号：US18571357

申请日：2022-06-09

申请人： Billerud Aktiebolag (Publ)

发明人： Thomas Lindstedt ,  Stefan Ericsson

IPC分类号： D21H11/04 ,  D21H27/30

CPC分类号： D21H11/04 ,  D21H27/30

摘要： There is provided a method of forming a multi-layered paperboard comprising a bottom layer, a top layer and a middle layer arranged between the top layer and the bottom layer, wherein the middle layer is formed from a middle layer furnish comprising at least 30% by dry weight of a HT-CTMP from a mixture of hardwood and softwood, which middle layer furnish is fed to a wire from a middle layer head box in which the consistency is above 0.30%, such as above 0.40%, such as at least 0.43%.

公开(公告)号：US20240167229A1

公开(公告)日：2024-05-23

申请号：US18551940

申请日：2022-03-25

申请人： Billerud Aktiebolag (publ)

发明人： Lars Sandberg ,  Yselaure Boissard ,  Shoko Yamada

IPC分类号： D21J1/08 ,  B65D1/02 ,  B65D23/02 ,  B65D23/08 ,  D21H21/16 ,  D21H23/50 ,  D21H27/00 ,  D21J3/10

CPC分类号： D21J1/08 ,  B65D1/0215 ,  B65D23/02 ,  B65D23/0821 ,  D21H21/16 ,  D21H23/50 ,  D21H27/00 ,  D21J3/10

摘要： The present disclosure generally relates to a method for providing a non-uniform barrier coating on a hollow container (100) comprising molded pulp. The method comprises depositing a polymeric powder on the interior container surface in at least one predetermined portion (105a-d) of the hollow container and subsequently treating the container with heat or irradiation. The present disclosure also relates to a hollow container (100) comprising a non-uniform polymeric powder coating.

公开(公告)号：US20240167228A1

公开(公告)日：2024-05-23

申请号：US18551924

申请日：2022-03-25

申请人： Billerud Aktiebolag (publ)

发明人： Lars Sandberg ,  Yselaure Boissard ,  Shoko Yamada ,  Andreas Nyström ,  Christopher T. Karlsson

IPC分类号： D21J1/08 ,  B65D1/02 ,  B65D23/02 ,  B65D23/08 ,  B65D65/42 ,  D21H19/22 ,  D21H19/84 ,  D21H21/16 ,  D21H23/50 ,  D21H23/72 ,  D21J3/10

CPC分类号： D21J1/08 ,  B65D1/0215 ,  B65D23/02 ,  B65D23/0821 ,  B65D65/42 ,  D21H19/22 ,  D21H19/84 ,  D21H21/16 ,  D21H23/50 ,  D21H23/72 ,  D21J3/10 ,  B65D2565/387

摘要： The present disclosure generally relates to a method for providing a barrier coating on a hollow container (100) comprising molded pulp. The method comprises providing a polymeric powder coating onto the interior surface (105a) and at least a portion of the exterior surface of the container (100) prior to curing and/or melting the powder coatings. The present disclosure also relates to a hollow container (100) formed by the method.

公开(公告)号：US11976420B2

公开(公告)日：2024-05-07

申请号：US17417093

申请日：2019-12-18

申请人： BILLERUD AKTIEBOLAG (PUBL)

发明人： Lars Wahlstrom ,  Paul Turner

IPC分类号： D21H13/24 ,  D21H11/04 ,  D21H17/28 ,  D21H17/33 ,  D21H19/22 ,  D21H21/18 ,  D21H27/10

CPC分类号： D21H13/24 ,  D21H11/04 ,  D21H17/28 ,  D21H17/33 ,  D21H19/22 ,  D21H21/18 ,  D21H27/10

摘要： There is provided a paper for packaging of medical devices comprising 5-25 wt. % (dry) synthetic fibres comprising polyester and 2.0-12.0 wt. % (dry) of a latex binder or 1.0-5.0 wt. % (dry) of a starch binder, wherein the length of the synthetic fibres is 8-14 mm and the thickness of the synthetic fibres is 5.5-9.0 dtex and wherein the paper has a grammage according to ISO 536:2012 of 70-110 g/m2.

公开(公告)号：US20240110337A1

公开(公告)日：2024-04-04

申请号：US18274678

申请日：2022-02-02

申请人： Billerud Aktiebolag (publ)

发明人： Eero Antero Valtanen

IPC分类号： D21H17/37 ,  D21H17/62 ,  D21H17/68 ,  D21H21/16

CPC分类号： D21H17/375 ,  D21H17/62 ,  D21H17/68 ,  D21H21/16

摘要： There is provided a method of producing a paper on a paper machine, comprising the steps of: a) providing a pulp, such as a mixture of hardwood pulp and softwood pulp; b) adding cationic glyoxylated polyacrylamide (G-PAM) to the pulp; c) forming a web from the pulp in a forming section comprising a head box; d) pressing the web in a press section; e) drying the web in a drying section; and f) optionally calendering the web in a calender.